Bain Capital Life Sciences Investors, LLC Long-Term Concentrated

Location: Boston, MA

CIK: 0001703031 · Show all filings

Period: Q1 2021 (← Previous) (Next →)

Filing Date: May 17, 2021

Total Value: $1.765B (100.0% shares, 0.0% debt)

Holdings (31)

— SPRINGWORKS THERAPEUTICS INC 24.3%

Value $429M Shares 5,831,307 Est. Cost $21.68 Unrealized —

AVIR ATEA PHARMACEUTICALS, INC. 19.6%

Value $347M Shares 5,615,659 Est. Cost $32.23 Unrealized +109.6%

ARQT ARCUTIS BIOTHERAPEUTICS, INC. 6.5%

Value $115M Shares 3,979,292 Est. Cost $26.87 Unrealized +16.2%

— DYNAVAX TECHNOLOGIES CORP 6.1%

Value $107M Shares 10,895,773 Est. Cost $9.83 Unrealized —

ANNX ANNEXON INC 5.1%

Value $90.25M Shares 3,241,628 Est. Cost $23.46 Unrealized +17.2%

PHVS PHARVARIS N.V. 5.0%

Value $88.99M Shares 3,180,601 Est. Cost $31.46 Unrealized 0.0%

— DICERNA PHARMACEUTICALS INC 4.5%

Value $78.76M Shares 3,080,237 Est. Cost $9.03 Unrealized —

CCCC C4 THERAPEUTICS, INC. 3.4%

Value $60.74M Shares 1,642,209 Est. Cost $29.00 Unrealized +37.2%

— MERSANA THERAPEUTICS INC 3.4%

Value $59.8M Shares 3,695,667 Est. Cost $22.91 Unrealized —

— SOLID BIOSCIENCES INC 2.5%

Value $43.85M Shares 7,929,918 Est. Cost $7.99 Unrealized —

— SYROS PHARMACEUTICALS, INC. 2.5%

Value $43.27M Shares 5,785,036 Est. Cost $10.85 Unrealized —

NRIX NURIX THERAPEUTICS, INC. 2.3%

Value $39.93M Shares 1,284,314 Est. Cost $25.20 Unrealized +50.1%

— CONSTELLATION PHARMACEUTICALS, INC. 1.9%

Value $32.75M Shares 1,400,000 Est. Cost $47.11 Unrealized —

— APTINYX INC 1.5%

Value $26.68M Shares 8,891,758 Est. Cost $8.16 Unrealized —

SVRA SAVARA INC 1.4%

Value $24.18M Shares 11,622,598 Est. Cost $1.49 Unrealized +15.1%

— MARINUS PHARMACEUTICALS INC 1.3%

Value $22.15M Shares 1,431,058 Est. Cost $15.48 Unrealized —

— AEGLEA BIOTHERAPEUTICS INC 1.2%

Value $21.38M Shares 2,700,000 Est. Cost $9.25 Unrealized —

KYMR KYMERA THERAPEUTICS INC. 1.1%

Value $18.64M Shares 479,605 Est. Cost $30.53 Unrealized +97.2%

— X4 PHARMACEUTICALS INC 1.0%

Value $18.25M Shares 2,119,540 Est. Cost $10.24 Unrealized —

CRNX CRINETICS PHARMACEUTICALS INC 0.9%

Value $16.37M Shares 1,071,428 Est. Cost $17.05 Unrealized -9.1%

— BLUEBIRD BIO, INC. 0.9%

Value $16.23M Shares 538,179 Est. Cost $30.15 Unrealized —

— ARYA SCIENCES ACQUISITION CORP III 0.8%

Value $13.78M Shares 1,000,000 Est. Cost $10.81 Unrealized —

— THERAPEUTICS ACQUISITION CORP 0.6%

Value $10.51M Shares 1,000,000 Est. Cost $14.38 Unrealized —

— RESEARCH ALLIANCE CORP II 0.6%

Value $10.25M Shares 1,000,000 Est. Cost $10.25 Unrealized —

— ARYA SCIENCES ACQUISITION CORP IV 0.4%

Value $7.331M Shares 700,000 Est. Cost $10.47 Unrealized —

— BCTG ACQUISITION CORP 0.3%

Value $5.56M Shares 500,000 Est. Cost $10.36 Unrealized —

— BCLS ACQUISITION CORP 0.3%

Value $5.153M Shares 487,500 Est. Cost $11.14 Unrealized —

— OMEGA ALPHA SPAC 0.2%

Value $3.96M Shares 400,000 Est. Cost $9.90 Unrealized —

— FRAZIER LIFESCIENCES ACQUISITION CORP 0.2%

Value $3.048M Shares 300,000 Est. Cost $10.38 Unrealized —

— JIYA ACQUISITION CORP 0.2%

Value $2.952M Shares 300,000 Est. Cost $10.30 Unrealized —

MLTX HELIX ACQUISITION CORP 0.1%

Value $2.55M Shares 250,000 Est. Cost $11.37 Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
—	SPRINGWORKS THERAPEUTICS INC	5,831,307	$429M	24.3%	$21.68	—	COM	85205L107
AVIR	ATEA PHARMACEUTICALS, INC.	5,615,659	$347M	19.6%	$32.23	+109.6%	COM	04683R106
ARQT	ARCUTIS BIOTHERAPEUTICS, INC.	3,979,292	$115M	6.5%	$26.87	+16.2%	COM	03969K108
—	DYNAVAX TECHNOLOGIES CORP	10,895,773	$107M	6.1%	$9.83	—	COM	268158201
ANNX	ANNEXON INC	3,241,628	$90.25M	5.1%	$23.46	+17.2%	COM	03589W102
PHVS	PHARVARIS N.V.	3,180,601	$88.99M	5.0%	$31.46	0.0%	COM	N69605108
—	DICERNA PHARMACEUTICALS INC	3,080,237	$78.76M	4.5%	$9.03	—	COM	253031108
CCCC	C4 THERAPEUTICS, INC.	1,642,209	$60.74M	3.4%	$29.00	+37.2%	COM STK	12529R107
—	MERSANA THERAPEUTICS INC	3,695,667	$59.8M	3.4%	$22.91	—	COM	59045L106
—	SOLID BIOSCIENCES INC	7,929,918	$43.85M	2.5%	$7.99	—	COM	83422E105
—	SYROS PHARMACEUTICALS, INC.	5,785,036	$43.27M	2.5%	$10.85	—	COM	87184Q107
NRIX	NURIX THERAPEUTICS, INC.	1,284,314	$39.93M	2.3%	$25.20	+50.1%	COM	67080M103
—	CONSTELLATION PHARMACEUTICALS, INC.	1,400,000	$32.75M	1.9%	$47.11	—	COM	210373106
—	APTINYX INC	8,891,758	$26.68M	1.5%	$8.16	—	COM	03836N103
SVRA	SAVARA INC	11,622,598	$24.18M	1.4%	$1.49	+15.1%	COM	805111101
—	MARINUS PHARMACEUTICALS INC	1,431,058	$22.15M	1.3%	$15.48	—	COM	56854Q200
—	AEGLEA BIOTHERAPEUTICS INC	2,700,000	$21.38M	1.2%	$9.25	—	COM	00773J103
KYMR	KYMERA THERAPEUTICS INC.	479,605	$18.64M	1.1%	$30.53	+97.2%	COM	501575104
—	X4 PHARMACEUTICALS INC	2,119,540	$18.25M	1.0%	$10.24	—	COM	98420X103
CRNX	CRINETICS PHARMACEUTICALS INC	1,071,428	$16.37M	0.9%	$17.05	-9.1%	COM	22663K107
—	BLUEBIRD BIO, INC.	538,179	$16.23M	0.9%	$30.15	—	COM	09609G100
—	ARYA SCIENCES ACQUISITION CORP III	1,000,000	$13.78M	0.8%	$10.81	—	COM CL A	G3166W106
—	THERAPEUTICS ACQUISITION CORP	1,000,000	$10.51M	0.6%	$14.38	—	COM CL A	88339T103
—	RESEARCH ALLIANCE CORP II	1,000,000	$10.25M	0.6%	$10.25	—	COM CL A	760873109
—	ARYA SCIENCES ACQUISITION CORP IV	700,000	$7.331M	0.4%	$10.47	—	CL A	G31659108
—	BCTG ACQUISITION CORP	500,000	$5.56M	0.3%	$10.36	—	COM	05492W103
—	BCLS ACQUISITION CORP	487,500	$5.153M	0.3%	$11.14	—	COM CL A	G0904B105
—	OMEGA ALPHA SPAC	400,000	$3.96M	0.2%	$9.90	—	CL A	G6749V107
—	FRAZIER LIFESCIENCES ACQUISITION CORP	300,000	$3.048M	0.2%	$10.38	—	UNIT 12/09/2025	G3710A121
—	JIYA ACQUISITION CORP	300,000	$2.952M	0.2%	$10.30	—	COM CL A	47760M102
MLTX	HELIX ACQUISITION CORP	250,000	$2.55M	0.1%	$11.37	—	COM CL A	G4444C102